Ryanpeikou: Difference between revisions
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=== Chii toitsu === | === Chii toitsu === | ||
This yaku does not combine with [[ | This yaku does not combine with [[chiitoitsu]]. By definition, chiitoitsu is formed by the collection of seven pairs. At every instance, ryanpeikou hands look like chiitoitsu hands. However, ryanpeikou is actually composed of [[mentsu#shuntsu|sequences]], rather than as independent pairs. The pattern simply appears as a collection of pairs. Because of this interpretation, the two yaku remain distinct and incompatible; and it is doubtful, that any [[rule variations|house rule]] allows the combination of the two yaku. | ||
=== With chinitsu === | === With chinitsu === | ||
Revision as of 22:51, 10 December 2014
| Type | Yaku |
|---|---|
| Kanji | 二盃口 |
| English | Two sets of identical sequences |
| Value | 3 han (closed only) |
| Speed | Very slow |
| Difficulty | Very hard |
Ryanpeikou (二盃口) is a standard yaku, consisting of two "iipeikou". The prefix "ryan" is a Japanese counter for mahjong, signifying for "two".
Tile pattern
Agari:
Note: This hand may also win with 
. However, it'll only count for a lesser value of pinfu and iipeikou.
Formation
At the very least, the hand must initially qualify for the yaku, iipeikou. With tenpai, the tile wait involves a tanki, to complete the pair, or the need to complete the other "iipeikou".
Compatability
^ Ippatsu requires riichi to be of any use.
| RCH | DRI | IPP^ | SMO | TAN | PFU | IPK | ITT | YAK | SDJ | SDO | TOI | SNA | SNK | CHA | JUN | RPK | SSG | HRO | HON | CHN | CHI | RIN | HAI | HOU | CHK | |
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Chii toitsu
This yaku does not combine with chiitoitsu. By definition, chiitoitsu is formed by the collection of seven pairs. At every instance, ryanpeikou hands look like chiitoitsu hands. However, ryanpeikou is actually composed of sequences, rather than as independent pairs. The pattern simply appears as a collection of pairs. Because of this interpretation, the two yaku remain distinct and incompatible; and it is doubtful, that any house rule allows the combination of the two yaku.
With chinitsu
Some forms of ryanpeikou mixed with chinitsu and tanyao may actually form some optional yakuman, named daisharin (pinzu), daichikurin (souzu), and daisuurin (manzu).
Agari: , , or
Value
External links
- Ryanpeikou in Japanese Wikipedia
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